Los alumnos de 3ero y 4to año realizaron las cámaras, revelaron las fotos e hicieron un excelente montaje de las fotografías en una vistosa exposición, además compartieron con los alumnos
del 6to grado toda la experiencia. La fotografía estenopeica conocida también como Pinhole, se basa en el principio de la formación de imágenes por medio de haces luminosos que atraviesan
un orificio extremadamente pequeño (denominado estenopo) hacia el interior de una cámara oscura, formando una imagen invertida sobre el lado opuesto.
Los haces luminosos que ingresan por el estenopo chocan contra la pared opuesta y forman diminutos círculos de confusión que sumados entre si, nos darán una imagen invertida
de lo que se encuentra en el exterior. Estos pequeños círculos aparecen ante nuestra vista como un punto y de su tamaño dependerá la nitidez de la imagen, es por ello que el tamaño
del estenopo está estrechamente ligado a la ”longitud focal” de nuestra cámara estenopeica, para reproducir un circulo de confusión lo suficientemente nítido ante nuestro ojos, ya que la nitidez
es una cualidad subjetiva y no una propiedad física. El estenopo es directamente proporcional a la “longitud focal” a mayor “longitud focal” mayor diámetro del estenopo.
Al prescindir de un sistema óptico, logramos una zona nítida (“profundidad de campo”) desde el plano cero (plano de estenopo) a infinito, esto nos brinda una atmósfera diferente a las
fotografías tomadas con ópticas, sumado a esto los tiempos de exposición prolongados, la superposición de imágenes o la curvatura del material fotosensible de nuestro negativo, obtenemos
una visión mas plástica de la realidad pudiendo explorarla de manera artística. La Cámara Estenopeica es una herramienta enormemente didáctica que aclara los conceptos
mas elementales de fotografía, incluso aquellos que hemos aprenndido de una manera errónea. Con ella podemos visualizar conceptos tales como:Propiedades físicas de la luz , Longitud focal,
Diafragma (nº f) , Velocidad de obturación, Sensibilidad de la película, Ley de reciprocidadValor de exposición.
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